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P.O. Box 88
Lansdale, PA 19446
Category Archives: #off road vehicles
As essential businesses, most of us have been up and running through the outset of the COVID-19 pandemic, continuing through today, eight months later. We have adapted to the new environment and continue to serve our customers with care, doing … Continue reading
Membership in the Mobile Air Conditioning Society (MACS) Worldwide means you pay a fee annually to receive all of our publications and benefits, such as our Mobile A/C Diagnostics App, access to a helpline, health insurance, business insurance, discounts on … Continue reading
September/ October 2019 ACTION Magazine Vehicle power management and climate control In the case of many late model vehicles, there are more and more systems utilizing electrical power management strategies than ever before. The wrong battery or, worse, generator installed … Continue reading
So where do we go from here? That is the question. There aren’t a whole lot of new things we can do with an air conditioning system to improve how it works. Oh, there are some incremental things to enhance … Continue reading
Finding Coolant Leaks Some days, around this time of year, it feels like all we do is chase down coolant leaks. Maybe that has something to do with weather patterns and large swings in ambient temperature. It may also relate … Continue reading
By Ward Atkinson Members have requested information regarding requirements that apply to vehicles produced by OEM vehicle manufacturers, commercial upfitters and independent A/C repair or service facilities that install or modify mobile A/C systems. All A/C refrigerants listed as acceptable, … Continue reading
By Chris Tyson, MACS Heavy Duty Contributor While rarely seen in automotive and light truck systems, engine coolant filters (sometimes called water filters) can be found on many over-the-road, heavy duty truck and off-road engine cooling system applications. While most … Continue reading
By Jerry Lemon, Lemco Mobile AC Consulting Welcome to the new world of HD and off-road air conditioning. There was a time, not that long ago, when the HVAC system in a piece of heavy equipment, or an over-the-road (OTR) … Continue reading
If you still have questions about Section 609 certification please review our list of frequently asked questions by clicking here.